1988 Johnson Evinrude "CC" 9.9 thru 30 Service Manual, P/N 507660, Page 232Get this manual
8Remove the two remaining lower mount housing screws from the port lower mount housingSeparate and remove the port and starboard lower mount housingSlide the mount housing bumper from between the lower front mount and the exhaust housing 1101
9Remove the nuts and washers from the two upper side
10Remove the nut and the washer from the upper front mountSeparate the exhaust housing from the swivel bracket assembly
[]] 11Remove the two screws retaining the cover mount bracket to the exhaust housing and remove the bracketRemove and discard the exhaust housing to lower engine cover seal
11011gl
12Remove the upper side mounts and the lower front mount from the exhaust housing
13Remove the nuts from inside of the exhaust housing that retain both lower side mounts to the exhaust housing
14Refer to Clean ing and Inspection at the beginning of this section Assem bly and Insta llation Note I'f not otherwise specified, apply OMC Gasket Sealing Compound to threads of all screws